Home / 864,383.38-1,296,778.73-295,770.67

Finding the Fourth Proportional to 864,383.38, 1,296,778.73 and 295,770.67

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Solution

The fourth proportional to 864,383.38, 1,296,778.73 and 295,770.67 is: 443,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,383.38 : 1,296,778.73 = 295,770.67 : x
  2. Step 2: Convert to fraction form
    864,383.38/1,296,778.73 = 295,770.67/x
  3. Step 3: Cross multiply
    864,383.38x = 1,296,778.73 × 295,770.67
  4. Step 4: Simplify right side
    864,383.38x = 383,549,113,813.85
  5. Step 5: Solve for x
    x = 383,549,113,813.85/864,383.38
  6. Step 6: Final answer
    x = 443,725.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.